101055606665665 has 4 divisors (see below), whose sum is σ = 121266727998804. Its totient is φ = 80844485332528.

The previous prime is 101055606665621. The next prime is 101055606665683. The reversal of 101055606665665 is 566566606550101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19413250166209 + 81642356499456 = 4406047^2 + 9035616^2 .

It is a cyclic number.

It is not a de Polignac number, because 101055606665665 - 2²⁹ = 101055069794753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105560666562 + ... + 10105560666571.

It is an arithmetic number, because the mean of its divisors is an integer number (30316681999701).

Almost surely, 2^{101055606665665} is an apocalyptic number.

It is an amenable number.

101055606665665 is a deficient number, since it is larger than the sum of its proper divisors (20211121333139).

101055606665665 is an equidigital number, since it uses as much as digits as its factorization.

101055606665665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211121333138.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 101055606665665 in words is "one hundred one trillion, fifty-five billion, six hundred six million, six hundred sixty-five thousand, six hundred sixty-five".